Diffusion of starch and iodine across membrane a. Did the iodine molecules diffuse across the membrane? Yes or No? ____ b. What results support your conclusion? c. Explain why iodine diffused or did not diffuse based on difference in concentration of iodine, size of iodine molecules and permeability of tubing membrane. 2. a. Did the starch molecules diffuse across the membrane? Yes or No? ____ b. What results support your conclusion? c. Explain why starch diffused or did not diffuse based on difference in concentration of starch, size of starch molecules and permeability of tubing membrane
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- Assume you have a setup where a membrane separates two solutions: one containing iodine and the other containing starch. - Observe any color changes in the solutions, which indicate the presence of iodine or starch. Show more…
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Which of the following is true about starch and iodine diffusion? Starch was not able to diffuse through the membrane of the dialysis bag because it is positively charged. Iodine was able to diffuse through the membrane of the dialysis bag because it is negatively charged. Starch and iodine were both not able to diffuse through the membrane of the dialysis bag because they are very large molecules. Starch was not able to diffuse through the membrane of the dialysis bag because it is a very large polymer. Iodine was able to diffuse through the membrane of the dialysis bag because it is a small molecule. Starch and iodine switched places in the experiment because they both moved down their concentration gradients.
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